[5.x] Terms Filter: Use terms fieldtype instead of select (#13439)

Author: duncanmcclean

src/Query/Scopes/Filters/Fields/Terms.php

@@ -20,10 +20,12 @@ public function fieldItems()
                 'default' => 'like',
             ],
             'term' => [
-                'type' => 'select',
-                'options' => $this->options()->all(),
+                'type' => 'terms',
                 'placeholder' => __('Term'),
                 'clearable' => true,
+                'mode' => 'select',
+                'max_items' => 1,
+                'taxonomies' => $this->fieldtype->taxonomies(),
                 'if' => [
                     'operator' => 'contains_any like',
                 ],
@@ -63,21 +65,4 @@ public function badge($values)
 
         return $field.': '.$term;
     }
-
-    protected function options()
-    {
-        return collect($this->fieldtype->taxonomies())
-            ->map(function ($handle) {
-                return Facades\Taxonomy::find($handle);
-            })
-            ->filter()
-            ->flatMap(function ($taxonomy) {
-                return $taxonomy->queryTerms()->get();
-            })
-            ->mapWithKeys(function ($term) {
-                $value = $this->fieldtype->usingSingleTaxonomy() ? $term->slug() : $term->id();
-
-                return [$value => $term->title()];
-            });
-    }
 }